diff --git a/libbuild2-autoconf/libbuild2/autoconf/checks/HAVE_WORKING_KQUEUE.h b/libbuild2-autoconf/libbuild2/autoconf/checks/HAVE_WORKING_KQUEUE.h
deleted file mode 100644
index 6150387..0000000
--- a/libbuild2-autoconf/libbuild2/autoconf/checks/HAVE_WORKING_KQUEUE.h
+++ /dev/null
@@ -1,18 +0,0 @@
-// HAVE_WORKING_KQUEUE : BUILD2_AUTOCONF_LIBC_VERSION
-
-#ifndef BUILD2_AUTOCONF_LIBC_VERSION
-#  error BUILD2_AUTOCONF_LIBC_VERSION appears to be conditionally included
-#endif
-
-#undef HAVE_WORKING_KQUEUE
-
-/* Since ...
- * NOTE: No reliable sources found.
-         See (some) info here: https://bugs.mysql.com/bug.php?id=105562
- */
-
-/*
-   #if ...
-   #  define HAVE_WORKING_KQUEUE 1
-   #endif
-*/